Janwillem van den Berg was a Dutch scientist specialized in speech and a medical physicist. He played a significant role in establishing the myoelastic-aerodynamic theory of speech production. His theory is crucial for modern speech science as it provides a foundation for contemporary models of vocal cord function. Van den Berg also designed the first implantable pacemaker, which could be adjusted for a faster heart rate during higher activity levels.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 331 days away.
Death Anniversary
Next death anniversary is 66 days away.
Death Date
Place of Birth
Time Zone - Europe/Amsterdam (0:19 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Janwillem
Read Full Janwillem Name AnalysisNovember 20, 1920 Facts
Generation Group
Janwillem van den Berg belongs to the GI Generation group.
Place of Birth: Akkrum
Place of Death: Akkrum
Occupation: university teacher | physicist
Employers: University of Groningen
Astrology Analysis
Note: This birth chart is calculated using the date and place of birth, with the time set to noon (12:00 PM) local time. While this provides accurate planetary positions for most celestial bodies, the Ascendant (Rising Sign) and house cusps are not calculated since they require precise birth time. For a complete astrological analysis including houses and rising sign, please provide the exact birth time.
Ephemeris for November 20, 1920
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on November 20, 2025 | Secondary Progressions for November 20, 2025 |
|---|---|---|---|
| Sun | 27 Scorpio 52 | 28 Scorpio 24 | 14 Pisces 22 |
| Moon | 16 Pisces 35 | 0 Sagittarius 38 | 26 Capricorn 52 |
| Mercury | 18 Scorpio 29 | 28 Scorpio 10 | 9 Pisces 30 |
| Venus | 3 Capricorn 22 | 16 Scorpio 59 | 28 Aries 36 |
| Mars | 24 Capricorn 35 | 11 Sagittarius 33 | 15 Aries 19 |
| Jupiter | 15 Virgo 43 | 25 Cancer 2 | 13 Virgo 37 |
| Saturn | 23 Virgo 41 | 25 Pisces 6 | 22 Virgo 44 |
| Uranus | 1 Pisces 45 | 29 Taurus 30 | 6 Pisces 7 |
| Neptune | 13 Leo 45 | 29 Pisces 28 | 11 Leo 31 |
| Pluto | 8 Cancer 34 | 1 Aquarius 41 | 6 Cancer 50 |
| Rahu | 5 Scorpio 11 | 14 Pisces 21 | 29 Libra 38 |
| Ketu | 5 Taurus 11 | 14 Virgo 21 | 29 Aries 38 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
